The #25 steel water filter wrench will be the last wrench you ever need. If you have had trouble getting your housings loose during filter changes or if you have ever broken a plastic wrench, then you need our galvanized water filter wrench. It will not bend, break, or bow. This steel wrench fits a variety of filter housings, including H0500-RD 5 in. Hot/High Pressure Housing Lid sets (nylon) – red; C0500-CL-WH 5 in. clear filter housing & lid sets (filled polypro) – clear; P0500-BL-BK 5 in. filter housing & lid sets (filled polypro) – blue; and the USA Filtration Systems Under the Sink Kit.